#mindMap {
    width: 800px;
    height: 600px;
    border: 1px solid #ccc;
  }
  .node {
    background-color: #f2f2f2;
    border: 1px solid #ccc;
    padding: 10px;
    font-size: 16px;
    text-align: center;
  }
  
  .node-container {
    display:
    inline-block;
    margin-top: 20px;
    margin-left: 50px;
    }
    
    .line {
    width: 0;
    border-left: 1px solid #ccc;
    position: absolute;
    top: 50%;
    left: 0;
    height: 100%;
    }